The BGS Lexicon of Named Rock Units — Result Details

Callant Limestone

Computer Code: CALS Preferred Map Code: notEntered
Status Code: Full
Age range: Brigantian Substage (CX) — Brigantian Substage (CX)
Lithological Description: Muddy limestone with bands of calcareous mudstone; less muddy in its upper part. Marks the base of the Alston Formation in the Solway Basin.
Definition of Lower Boundary: none recorded or not applicable
Definition of Upper Boundary: none recorded or not applicable
Thickness: c. 8 m.
Geographical Limits: Langham sheet area, with correlatives across Northern England and Southern Scotland.
Parent Unit: Alston Formation (AG)
Previous Name(s): none recorded or not applicable
Alternative Name(s): none recorded or not applicable
Stratotypes:
none recorded or not applicable
Reference(s):
Dean, M T, Browne, M A E, Waters, C N and Powell, J H. 2011. A lithostratigraphical framework for the Carboniferous successions of northern Great Britain (onshore). British Geological Survey Research Report, RR/10/007. 165pp. 
Lexique Stratigraphique International. 1971. Volume 1, Europe, Fascicule 3a, England, Wales and Scotland, Part 3a VII, Lower Carboniferous (Dinantian). 
1:50K maps on which the lithostratigraphical unit is found, and map code used:
S011